20161749993

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{443}}^1\times {\mathrm{17911}}^1$

素因数の和:18386

約数の個数: 48

約数和(自身を含む): 33847661568

約数和(自身を除く): 13685911575

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 443, 847, 1329, 2541, 3101, 4873, 9303, 14619, 17911, 34111, 53603, 53733, 102333, 125377, 160809, 197021, 375221, 376131, 591063, 1125663, 1379147, 2167231, 4137441, 6501693, 7934573, 15170617, 23803719, 45511851, 55542011, 87280303, 166626033, 261840909, 610962121, 960083333, 1832886363, 2880249999, 6720583331, 20161749993]

約数ペア:

[(1, 20161749993), (3, 6720583331), (7, 2880249999), (11, 1832886363), (21, 960083333), (33, 610962121), (77, 261840909), (121, 166626033), (231, 87280303), (363, 55542011), (443, 45511851), (847, 23803719), (1329, 15170617), (2541, 7934573), (3101, 6501693), (4873, 4137441), (9303, 2167231), (14619, 1379147), (17911, 1125663), (34111, 591063), (53603, 376131), (53733, 375221), (102333, 197021), (125377, 160809)]